{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105043", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-10-02T21:34:13.754Z", "datePublished": "2026-10-02T21:34:14.561Z", "dateUpdated": "2026-10-02T21:34:14.561Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["MATLAB Function block; Simulink Editor block geometry rendering (block Position / ShowName)"], "product": "Simulink", "vendor": "MathWorks", "versions": [{"lessThan": "R2026b", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "MathWorks Simulink before R2026b, when showing a crafted .slx file, can have blocks that are never visible in the Simulink Editor but will cause code execution."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.6, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-451", "description": "CWE-451 User Interface (UI) Misrepresentation of Critical Information", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-02T21:34:14.561Z"}, "references": [{"url": "https://www.mathworks.com/products/simulink.html"}, {"url": "https://alexanderboll.dev/disclosures/simulink-vulnerability-concealed-blocks/"}, {"url": "https://www.mathworks.com/help/simulink/release-notes.html#mw_81eb54b6-4dfa-42c1-8c3c-e998eff5a8cd"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["MATLAB Function block; Simulink Editor block geometry rendering (block Position / ShowName)"], "product": "Simulink", "vendor": "MathWorks", "versions": [{"lessThan": "R2026b", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MathWorks Simulink before R2026b, when showing a crafted .slx file, can have blocks that are never visible in the Simulink Editor but will cause code execution."}], "id": "CVE-2026-105043", "lastModified": "2026-10-02T22:16:54.227", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.6, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 2.5, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-10-02T22:16:54.227", "references": [{"source": "cve@mitre.org", "url": "https://alexanderboll.dev/disclosures/simulink-vulnerability-concealed-blocks/"}, {"source": "cve@mitre.org", "url": "https://www.mathworks.com/help/simulink/release-notes.html#mw_81eb54b6-4dfa-42c1-8c3c-e998eff5a8cd"}, {"source": "cve@mitre.org", "url": "https://www.mathworks.com/products/simulink.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-451"}], "source": "cve@mitre.org", "type": "Primary"}]}

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